Hola Tmeister, lo saque analizando el codigo de una de las mejores ( a mi modo de ver) paginas de flash:
www.neostream.com
te pego a continuacion parte del mismo: ( ahi mensiona mi duda)
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PL_pre_url = PL_pre_url.substring(0,PL_pre_url.indexOf('#')) ;
}
if( document.URL.indexOf('?') > 0 ){
PL_ad_key = document.URL.substring(document.URL.indexOf('?')+1 ,document.URL.length);
}
if( PL_pre_url != document.URL && PL_pre_url.indexOf('?') > 0 ){
PL_ad_key = PL_pre_url.substring(PL_pre_url.indexOf('?')+1,PL_ pre_url.length);
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PL_cd=(PL_bn=='MSIE')?screen.colorDepth:screen.pix elDepth;
PL_UA = navigator.userAgent;
PL_ua = navigator.userAgent.toLowerCase();
if (navigator.language) {
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PL_ul = navigator.userLanguage.toLowerCase();
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PL_start = PL_UA.indexOf('(') + 1;
PL_end = PL_UA.indexOf(')');
PL_str = PL_UA.substring(PL_start, PL_end);
PL_info = PL_str.split('; ');
PL_Component = 'UNKNOWN' ;
if (PL_ua.indexOf('msie') != -1) {
PL_Component = navigator.appName;
PL_str = PL_info[1].substring(5, PL_info[1].length);
PL_version = parseFloat(PL_str);
} else if ((PL_start = PL_ua.indexOf('netscape6')) > 0) {
PL_Component = 'Netscape';
PL_version = PL_ua.substring(PL_start+10, PL_ua.length);
if ((PL_start = PL_version.indexOf('b')) > 0 ) {
PL_str = PL_version.substring(0,PL_version.indexOf('b'));
PL_version = PL_str ;
}
} else if ((PL_start = PL_ua.indexOf('netscape/7')) > 0) {
PL_Component = 'Netscape';
PL_version = PL_ua.substring(PL_start+9, PL_ua.length);
if ((PL_start = PL_version.indexOf('b')) > 0 ) {
PL_str = PL_version.substring(0,PL_version.indexOf('b'));
PL_version = PL_str ;
}
} else {
if (PL_ua.indexOf('gecko') > 0) {
PL_Component = navigator.vendor;
} else if (PL_ua.indexOf('nav') > 0) {
PL_Component = 'Netscape Navigator';
} else {
PL_Component = navigator.appName ;;
}
PL_av = PL_UA ;
}
if (parseInt(PL_version) == parseFloat(PL_version)) { PL_version = PL_version + '.0'; }
PL_bz = PL_Component ;
if( PL_pf.indexOf('undefined') >= 0 || PL_pf == '' ) PL_os = 'UNKNOWN' ;
else PL_os = PL_pf ;
if( PL_os.indexOf('Win32') >= 0 ){
if( PL_av.indexOf('98')>=0) PL_os = 'Windows 98' ;
else if( PL_av.indexOf('95')>=0 ) PL_os = 'Windows 95' ;
else if( PL_av.indexOf('Me')>=0 ) PL_os = 'Windows Me' ;
else if( PL_av.indexOf('NT')>=0 ) PL_os = 'Windows NT' ;
else PL_os = 'Windows' ;
if( PL_av.indexOf('NT 5.0')>=0) PL_os = 'Windows 2000' ;
if( PL_av.indexOf('NT 5.1')>=0){
PL_os = 'Windows XP' ;
if( PL_av.indexOf('SV1') > 0 ){
PL_os = 'Windows XP SP2';
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if( PL_av.indexOf('NT 5.2')>=0) PL_os = 'Windows Server 2003' ;
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PL_pf_substr = PL_pf.substring(0,4);
if( PL_pf_substr == 'Wind'){
if( PL_pf_substr == 'Win1') PL_os = 'Windows 3.1';
else if( PL_pf_substr == 'Mac6' ) PL_os = 'Mac' ;
else if( PL_pf_substr == 'MacO' ) PL_os = 'Mac' ;
else if( PL_pf_substr == 'MacP' ) PL_os = 'Mac' ;
else if( PL_pf_substr == 'Linu' ) PL_os = 'Linux' ;
else if( PL_pf_substr == 'WebT' ) PL_os = 'WebTV' ;
else if( PL_pf_substr =='OSF1' ) PL_os = 'Compaq Open VMS' ;
else if( PL_pf_substr == 'HP-U' ) PL_os = 'HP Unix' ;
else if( PL_pf_substr == 'OS/2' ) PL_os = 'OS/2' ;
else if( PL_pf_substr == 'AIX4' ) PL_os = 'AIX';
else if( PL_pf_substr == 'Free' ) PL_os = 'FreeBSD';
else if( PL_pf_substr == 'SunO' ) PL_os = 'SunO';
else if( PL_pf_substr == 'Drea' ) PL_os = 'Drea';
else if( PL_pf_substr == 'Plan' ) PL_os = 'Plan';
else PL_os = 'UNKNOWN';
}
if( PL_cpu == 'x86' ) PL_cpu = 'Intel x86';
else if( PL_cpu == 'PPC' ) PL_cpu = 'Power PC';
else if( PL_cpu == '68k' ) PL_cpu = 'Motorola 680x';
else if( PL_cpu == 'Alpha' ) PL_cpu = 'Compaq Alpa';
else if( PL_cpu == 'Arm' ) PL_cpu = 'ARM';
else PL_cpu = 'UNKNOWN';
if( PL_dim == '' || PL_dim == 'undefined') PL_dim = '0*0';
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<script language='javascript1.1'>
var _PL_hdki = new Image() ;
if( window.screen ){
PL_sv=12;
PL_dim=window.screen.width+'*'+window.screen.heigh t;
}
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if(PL_bv>=4) PL_sv=12;
if( PL_bv >= 5) PL_sv = 13;
}
if(PL_bn.indexOf('Netscape') > -1 ||PL_bn=='Mozilla'||PL_bn=='Opera'){
if(PL_bv>=3) PL_sv = 11 ;
if(PL_bv>=4){
PL_sv = 12 ;
}
if(PL_bv>=4.06) PL_sv=13 ;
if(PL_dim=='undefined') PL_dim='UNKNOWN';
}
if( document.URL.substring(0,8) == 'https://' ){
PL_arg = U_rl + '?uid=' + PL_CODE ;
}
else{
PL_arg = U_rl + ':' + U_pt+'/?uid=' + PL_CODE ;
}
PL_arg += '&cpu='+PL_cpu+'&bz='+PL_bz+'&bv='+PL_version+'&os ='+PL_os;
PL_arg += '&dim='+PL_dim+'&cd='+PL_cd+'&je='+PL_je+'&ck='+PL _ck+'&ref='+escape(PL_ref)+'&url='+escape(PL_url);
PL_arg += '&jv='+PL_sv+'&tz='+PL_tz+'&ul='+PL_ul+'&ad_key='+ escape(PL_ad_key)+'&' ;
if( PL_bn.indexOf('Netscape') > -1 ||PL_bn=='Mozilla'){
setTimeout('_PL_hdki.src = PL_arg;',1);
}
else{
_PL_hdki.src = PL_arg;
}
document.cookie='ACE_CK='+document.URL+';';
</script>
<script language='javascript'>
if( PL_sv==10){
if( (PL_ref=='undefined')||( PL_ref == '' )) PL_ref = 'bookmark' ;
PL_arg = '<img src="' + U_rl + ':'+U_pt+'/?uid=' + PL_CODE;
PL_arg += '&cpu='+PL_cpu+'&bz='+PL_bz+'&bv=4.0&os='+PL_os;
PL_arg += '&dim=640*480&cd=8&je=0&ck=0&ref='+escape(PL_ref)+ '&url='+escape(PL_url);
PL_arg += '&jv=10&tz='+PL_tz+'&ul='+PL_ul+'&ad_key='+escape( PL_ad_key);
PL_arg += '&" border=0>' ;
document.write(PL_arg);}
</script>
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